the formation of a mental image of something that is not perceived as real and is not present to the senses; "popular imagination created a world of demons"; "imagination reveals what the world could be"
the ability to form mental images of things or events; "he could still hear her in his imagination"
celebrate noisily, often indulging in drinking; engage in uproarious festivities; "The members of the wedding party made merry all night"; "Let's whoop it up--the boss is gone!"